character: Carl Safina
topic: The Effects of Overfishing on Marine Ecosystems
grade: 10
subject: Biology
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character: David Attenborough
topic: Impact of Human Activities on Oceans
grade: 10
subject: Biology
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character: Sylvia Earle
topic: Marine Conservation and Biodiversity
grade: 10
subject: Biology
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character: Jane Lubchenco
topic: Sustainable Fishing Practices
grade: 10
subject: Biology
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